111010211201122 has 4 divisors (see below), whose sum is σ = 166515316801686. Its totient is φ = 55505105600560.

The previous prime is 111010211201093. The next prime is 111010211201161. The reversal of 111010211201122 is 221102112010111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97690273377921 + 13319937823201 = 9883839^2 + 3649649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111010211201096 and 111010211201105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752552800279 + ... + 27752552800282.

Almost surely, 2^{111010211201122} is an apocalyptic number.

111010211201122 is a deficient number, since it is larger than the sum of its proper divisors (55505105600564).

111010211201122 is an equidigital number, since it uses as much as digits as its factorization.

111010211201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55505105600563.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111010211201122 its reverse (221102112010111), we get a palindrome (332112323211233).

The spelling of 111010211201122 in words is "one hundred eleven trillion, ten billion, two hundred eleven million, two hundred one thousand, one hundred twenty-two".